The Skeletal System

The Pelvis Figure 5.23a

The Pelvis: Right Coxal Bone Figure 5.23b

Gender Differences of the Pelvis Figure 5.23c

Bones of the Lower Limbs The thigh has one bone Femur – thigh bone Figure 5.24a–b

Bones of the Lower Limbs The leg has two bones Tibia Fibula Figure 5.24c

Bones of the Lower Limbs The foot Tarsus – ankle Metatarsals – sole Phalanges – toes Figure 5.25

Arches of the Foot Bones of the foot are arranged to form three strong arches Two longitudinal One transverse Figure 5.26

Joints Articulations of bones Functions of joints Hold bones together Allow for mobility Ways joints are classified Functionally Structurally

Functional Classification of Joints Synarthroses – immovable joints Amphiarthroses – slightly moveable joints Diarthroses – freely moveable joints